Agora is a Web-based, threaded discussion tool, similar to Usenet newsgroups.
Agora remembers each user's preferences, and allows threaded, unread-only
browsing. It offers the ability to manage several different groups, with
different themes, forums, and administrators for each group. Agora offers a
basic Web-based ICQ client, as well as a Web-based notes system.

AnonyNews is a news server and client package with a difference--all posts are
made completely anonymously. The server acts as a single newsroom, with full
support for threaded messages. Clients are available for Linux, Windows, and
Java-enabled machines.

aubng is a Usenet binary decoder implemented entirely in Perl5. It has a boatload of features, including: decoding of uuencoded and Base64 postings, assembling multi-part postings, remembering already seen binaries in a newsrc file, saving metadata about news postings, smart renaming of binaries with the same name, removal of duplicate binaries, and easy XML-based configuration. Aubng also features an extensible handler architecture, so it is easy to add your own features.

Beonex Communicator is Mozilla polished for end users. It contains Navigator, Mailnews, Composer, and ChatZilla. Navigator has support for key web standards and a convenient interface. For example, it eases searching the Internet, similar to Apple's Sherlock on Macintosh. The Bookmark Manager can deal with huge collections of bookmarks and allows you to overview and sort them while you are surfing. If you want, you can track the latest headlines or webcams using the Sidebar. The Mailnews client supports multiple IMAP, POP3 and/or news accounts for each user, so you can download and manage all your email from various accounts in one place and store them on your computer or the server. Beonex puts a strong emphasis on security, privacy, and netiquette, to protect the private or confidential information on your computer and to encourage fairness.

Brag collects and assembles multipart binary attachements from newsgroups. This is a command-line tool, well suited to run as a cron job. It features support for uuencode and MIME base64, and message filtering with accept/reject patterns.

DBOX is a free communication package for ISPs. It supports a large number of message formats such as RFC/UUCP, ZConnect, Janus/Janus2, Alphabox, and GSbox. It is designed for large installations and includes a WWW package with an email/HTML gateway, an HTML online shop, support for POP3/IMAP4, and personal homepages with HTTP/FTP upload.

Diablo is a backbone news transit system, designed to replace INND on backbone machines. The transit part of Diablo is well established and should work flawlessly. Note that diablo now has a reader part, since version 1.15.

The DNEWS News Server is a (USENET) news server. Installing your own local news server software gives you complete control to create your own discussion forums for communication. DNews News Server software provides many features, including ease-of-use, reliability, and scalability.

FIDOGATE is a Fido-Internet gateway and a Fido tosser. The gateway converts between the worlds of Fido NetMail/EchoMail (or FTNs, Fido Technology Networks in general) and the UNIX mail/news system. FIDOGATE will convert Fido mail packets to RFC822/1036-style messages and vice versa.